---
id: techo
title: LILYGO® TTGO T-Echo devices
sidebar_label: T-Echo
sidebar_position: 3
---

The T-Echo by LILYGO® supports a low power consumption micro-controller and an e-ink display.

Further information on the LILYGO® T-Echo devices can be found on LILYGO®'s [GitHub page](https://github.com/Xinyuan-LilyGO/LilyGO-T-Echo).

## Specifications

- **MCU**
  - nRF52840 (Bluetooth BLE 5.0 & NFC)
- **LoRa Transceiver**
  - Semtech SX1262
- **Frequency options**
  - 433 MHz
  - 868 MHz
  - 915 MHz
- **Navigation Module**
  - L76K GNSS receiver (Supports GPS, BeiDou, GLONASS & QZSS)
- **Connectors**
  - U.FL antenna connector

## Features

- Reset, Program and capacitive touch buttons
- 1.54" eInk display
- Optional BME280 - Humidity and Pressure Sensor
- Comes with a case and battery

## Resources

- Firmware file: `firmware-t-echo-2.x.x.uf2`
- Purchase Links:
  - US
    - [Rokland 915MHz](https://msh.to/rokland-t-echo/)
    - [Rokland 915MHz w/ BME280 Kit](https://msh.to/rokland-t-echo-bme280/)
  - International
    - [LilyGO](https://msh.to/t-echo/)

![LILYGO T-Echo](/img/hardware/t-echo.svg)
